import { reqgoodscount, reqgoodslist } from "../../http/api"

let state = {
    arr:[],
    total:0,
    size:2,
    page:1
}
let getters = {
    arr({arr}){
        return arr
    },
    total({total}){
        return total
    },
    size({size}){
        return size
    },
}
let mutations = {
    changeArr(state,arr){
        state.arr = arr
    },
    changeTotal(state,total){
        state.total = total
    },
    changePage(state,page){
        state.page = page
    },
}
let actions = {
    reqList({state:{page,size},commit,dispatch}){
        let params = {page,size}
        reqgoodslist(params).then(res=>{
            if(res.data.code===200){
                let arr = res.data.list?res.data.list:[]
                if(arr.length == 0 && page!=1){
                    commit("changePage",page-1)
                    dispatch("reqList")
                    return
                }
                commit("changeArr",arr)
            }
        })
    },
    reqArr({commit,dispatch}){
        dispatch("reqList")
        reqgoodscount().then(res=>{
            if(res.data.code===200){
                commit("changeTotal",res.data.list[0].total)
            }
        })
    },
    changePage({commit,dispatch},e){
        commit("changePage",e)
        dispatch("reqList")
    }   
}

export default  {
    state,
    getters,
    mutations,
    actions,
    namespaced:true
}